package com.zfj.gulimall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author zfj
 * @date 2022/7/31 -21:29
 */
@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class MyCacheConfig {

//    @Autowired
//    CacheProperties cacheProperties;

	/**
	 * 配置文件中的东西没有用上；
	 *
	 * 1、原来和配置文件绑定的配置类是这样子的
	 *      @ConfigurationProperties(prefix = "spring.cache")
	 *      public class CacheProperties
	 *
	 * 2、要让他生效
	 *      @EnableConfigurationProperties(CacheProperties.class)
	 *
	 * @return
	 */
	@Bean
	RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){


		RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
//        config = config.entryTtl();
		config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
		config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));


		CacheProperties.Redis redisProperties = cacheProperties.getRedis();
		//将配置文件中的所有配置都生效
		if (redisProperties.getTimeToLive() != null) {
			config = config.entryTtl(redisProperties.getTimeToLive());
		}
		if (redisProperties.getKeyPrefix() != null) {
			config = config.prefixKeysWith(redisProperties.getKeyPrefix());
		}
		if (!redisProperties.isCacheNullValues()) {
			config = config.disableCachingNullValues();
		}
		if (!redisProperties.isUseKeyPrefix()) {
			config = config.disableKeyPrefix();
		}


		return config;
	}
}
